/Engine/Plugins/Editor/AssetReferenceRestrictions/Source/AssetReferenceRestrictions/Public/AssetReferencingPolicySubsystem.h
Subsystem to register the domain-based asset referencing policy restrictions with the editor
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)() class UAssetReferencingPolicySubsystem : public [UEditorSubsystem](API\Editor\EditorSubsystem\UEditorSubsystem)